getSome() + 5; } private function getSome() { return $this->some; } } CODE_SAMPLE , <<<'CODE_SAMPLE' class SomeClass { private $some; public function run() { return $this->some + 5; } private function getSome() { return $this->some; } } CODE_SAMPLE )]); } /** * @return array> */ public function getNodeTypes() : array { return [Class_::class]; } /** * @param Class_ $node */ public function refactor(Node $node) : ?Node { $class = $node; $hasChanged = \false; $isFinal = $class->isFinal(); $this->traverseNodesWithCallable($node, function (Node $node) use($class, &$hasChanged, $isFinal) : ?PropertyFetch { if (!$node instanceof MethodCall) { return null; } if ($node->isFirstClassCallable()) { return null; } if (!$node->var instanceof Variable) { return null; } if (!$this->nodeNameResolver->isName($node->var, 'this')) { return null; } $methodName = $this->getName($node->name); if ($methodName === null) { return null; } $classMethod = $class->getMethod($methodName); if (!$classMethod instanceof ClassMethod) { return null; } if (!$classMethod->isPrivate() && !$isFinal) { return null; } $propertyFetch = $this->matchLocalPropertyFetchInGetterMethod($classMethod); if (!$propertyFetch instanceof PropertyFetch) { return null; } $hasChanged = \true; return $propertyFetch; }); if ($hasChanged) { return $node; } return null; } private function matchLocalPropertyFetchInGetterMethod(ClassMethod $classMethod) : ?PropertyFetch { if ($classMethod->params !== []) { return null; } $stmts = (array) $classMethod->stmts; if (\count($stmts) !== 1) { return null; } $onlyStmt = $stmts[0] ?? null; if (!$onlyStmt instanceof Return_) { return null; } $returnedExpr = $onlyStmt->expr; if (!$returnedExpr instanceof PropertyFetch) { return null; } return $returnedExpr; } }